/*
 * Copyright (c) 2008-2019, Piccolo2D project, http://piccolo2d.org
 * Copyright (c) 1998-2008, University of Maryland
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without modification, are permitted provided
 * that the following conditions are met:
 *
 * Redistributions of source code must retain the above copyright notice, this list of conditions
 * and the following disclaimer.
 *
 * Redistributions in binary form must reproduce the above copyright notice, this list of conditions
 * and the following disclaimer in the documentation and/or other materials provided with the
 * distribution.
 *
 * None of the name of the University of Maryland, the name of the Piccolo2D project, or the names of its
 * contributors may be used to endorse or promote products derived from this software without specific
 * prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
 * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
 * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
package org.piccolo2d.extras.util;

import java.awt.geom.AffineTransform;

/**
 * Minimal interface that a changeable sequence of points must provide.
 */
public interface MutablePoints extends Points {
    /**
     * Sets the coordinates for the point at the given index.
     * 
     * @param i index of point
     * @param x x component of the point's coordinates
     * @param y y component of the point's coordinates
     */
    void setPoint(int i, double x, double y);

    /**
     * Inserts a point at the specified position.
     * 
     * @param pos position at which to insert the point
     * @param x x component of the point's coordinates
     * @param y y component of the point's coordinates
     */
    void addPoint(int pos, double x, double y);

    /**
     * Removes a subsequence of points.
     * 
     * @param pos position to start removing points
     * @param num number of points to remove
     */
    void removePoints(int pos, int num);

    /**
     * Modifies all points by applying the transform to them.
     * 
     * @param t transformto apply to the points
     */
    void transformPoints(AffineTransform t);
}
